Dropbox 

Dropbox, Inc. provides a content collaboration platform in the United States and internationally. The company's platform allows individuals, families, teams, and organizations to collaborate and sign up for free through its website or app, as well as upgrade to a paid subscription plan for premium features. It serves customers in the professional services, technology, media, education, industrial, consumer and retail, and financial services industries. The company was formerly known as Evenflow, Inc. and changed its name to Dropbox, Inc. in October 2009. Dropbox, Inc. was incorporated in 2007 and is headquartered in San Francisco, California.